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Imagine beeing in a millionaire hug machine
(i.imgur.com)
They say that getting squeezed can release fealings of anxiety. Imagine how good it must feel getting crushed by titanic depth pressure.
Even the choice of colour was an interesting one. "Should we make our submersible brightly coloured like every other submersible in the world? In case we are stuck floating barely above the surface of the ocean, literally bolted shut inside this tube?" "Nah, let's do white and grey, looks more modern."